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27169930 = 252716993
BaseRepresentation
bin110011110100…
…1010010001010
31220010101010201
41213221102022
523423414210
62410202414
7446640424
oct147512212
956111121
1027169930
1114378197
12912340a
135823aa8
143873814
1525ba53a
hex19e948a

27169930 has 8 divisors (see below), whose sum is σ = 48905892. Its totient is φ = 10867968.

The previous prime is 27169871. The next prime is 27169939. The reversal of 27169930 is 3996172.

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 2399401 = 4977^2 + 1549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27169930.

It is not an unprimeable number, because it can be changed into a prime (27169939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358487 + ... + 1358506.

Almost surely, 227169930 is an apocalyptic number.

27169930 is a deficient number, since it is larger than the sum of its proper divisors (21735962).

27169930 is a wasteful number, since it uses less digits than its factorization.

27169930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717000.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 27169930 is about 5212.4782973169. The cubic root of 27169930 is about 300.6280546108.

The spelling of 27169930 in words is "twenty-seven million, one hundred sixty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 2716993 5433986 13584965 27169930